<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="labelTop widt">
      <div id="main" style="width:100%;height:400px;"></div>
    </el-card>
  </div>
</template>
<script>
//导入数据可视化库
import echarts from "echarts"
import dele from '../delet.js'
export default {
  data() {
    return {
        //可视化数据的合并数据
      options: {
        title: {
          text: "用户来源"
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3"
            }
          }
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: "value"
          }
        ]
      }
    };
  },
  //生命周期 - 创建完成（访问当前this实例）
  created() {},
  //生命周期 - 挂载完成（访问DOM元素）
  async mounted() {
    let { data: res } = await this.$http.get("reports/type/1");
    if (res.meta.status != 200) {
      return false;
    }
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById("main"));
    let target = this.options;
    // 指定图表的配置项和数据
    let a = dele.copy(target,res.data);
    // 使用刚指定的配置项和数据显示图表。
    //console.log(a);
    myChart.setOption(a);
  }
};
</script>
<style scoped>
.labelTop{
    margin-top: 15px;
}
.widt{
  width: 80%;
}
/* @import url(); 引入css类 */
</style>